Think about the last time you merged two PDFs online. You dragged a bank statement, a lease or a scan of your passport into a website, it "processed" the file, and you downloaded the result. Where did the file go in between? Usually it went to someone else's server, and all you have is their word that they deleted it. I wanted a tool where that question has a boring answer, so I built Dokwise : 16 PDF and image tools (merge, split, compress, OCR, protect, compare, scan-to-PDF, e-signature ...